The point at which a child becomes an adolescent is defined by the onset of puberty or by the beginning of the teenage stage. Adolescence is also viewed as ending with the teenage stage. However, in some individuals (particularly females), puberty begins in the preadolescence years.
Grundy County, Illinois. Grundy County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 50,063. Its county seat is Morris. Grundy County is part of the Chicago-Naperville-Elgin, IL-IN-WI Metropolitan Statistical Area.
Sangamon County, Illinois 2017 Population Estimate â 201,478 The Illinois Department of Public Health projects the Sangamon County 2015 population as 200,130 people and the 2020 population as 203,501. If we assume that the population changes linearly between 2015 and 2020, then the Sangamon County 2017 population would be 201,478. Note: this value is a projection, not a count. The 2010 Decennial Census provides the most recent count of the Sangamon County population as 197,465 people. And the US Census Bureauâs 2016 Population Estimates Program provides a population estimate for Sangamon County as 197,499 people. The graph is a visualization of the best Sangamon County population data available from different data sources.